the board is here http://www.chrystianj.com/cj-c12-dri...tor-store.html , it needs current limit resistors , the size depends on the size if your motors and the power supply

Hello irving2008 im afraid i did pay the $95 and have been thinking of changing it but i do not know enough about them, i had been looking at some on ebay item 390162374628

High performance 3.5A 40V Stepping motor driver

Bipolar ( A+, A-, B+, B-) stepping driver,

Capable to drive up to 40V @ 3.5A Per phase these are alot more expensive but i would save up if they where worth it , i have a 10mm lead screw one turn = 2mm travel
would you mind recommending a board please , and thank you for your detailed reply